<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no">
    <meta name="description" content="Demo for Materials on GroundPrimitives.">
    <meta name="cesium-sandcastle-labels" content="Development">
    <title>Cesium Demo</title>
    <script type="text/javascript" src="../Sandcastle-header.js"></script>
    <script type="text/javascript" src="../../../ThirdParty/requirejs-2.1.20/require.js"></script>
    <script type="text/javascript">
        if(typeof require === "function") {
            require.config({
                baseUrl : '../../../Source',
                waitSeconds : 120
            });
        }
    </script>
</head>
<body class="sandcastle-loading" data-sandcastle-bucket="bucket-requirejs.html">
<style>
    @import url(../templates/bucket.css);
</style>
<div id="cesiumContainer" class="fullSize"></div>
<div id="loadingOverlay"><h1>Loading...</h1></div>
<div id="toolbar"></div>
<script id="cesium_sandcastle_script">
function startup(Cesium) {
    'use strict';
//Sandcastle_Begin
var worldTerrain = Cesium.createWorldTerrain({
    requestWaterMask: true,
    requestVertexNormals: true
});

var viewer = new Cesium.Viewer('cesiumContainer', {
    terrainProvider: worldTerrain
});

if (!Cesium.GroundPrimitive.supportsMaterials(viewer.scene)) {
    throw new Cesium.RuntimeError('GroundPrimitive materials are not supported on this platform.');
}

var rectangle;
var worldRectangle;

function applyAlphaMapMaterial(primitive, scene) {
    Sandcastle.declare(applyAlphaMapMaterial);  // For highlighting in Sandcastle.
    primitive.appearance.material = new Cesium.Material({
        fabric : {
            materials : {
                alphaMaterial : {
                    type : 'AlphaMap',
                    uniforms : {
                        image : '../images/Cesium_Logo_Color.jpg',
                        channel : 'r'
                    }
                }
            },
            components : {
                diffuse : 'vec3(1.0)',
                alpha : 'alphaMaterial.alpha'
            }
        }
    });
}

function applyBumpMapMaterial(primitive, scene) {
    Sandcastle.declare(applyBumpMapMaterial);   // For highlighting in Sandcastle.
    primitive.appearance.material = new Cesium.Material({
        fabric : {
            materials : {
                diffuseMaterial : {
                    type : 'DiffuseMap',
                    uniforms : {
                        image : '../images/bumpmap.png'
                    }
                },
                bumpMaterial : {
                    type : 'BumpMap',
                    uniforms : {
                        image : '../images/bumpmap.png',
                        strength : 0.8
                    }
                }
            },
            components : {
                diffuse : 'diffuseMaterial.diffuse',
                specular : 0.01,
                normal : 'bumpMaterial.normal'
            }
        }
    });
}

function applyCheckerboardMaterial(primitive, scene) {
    Sandcastle.declare(applyCheckerboardMaterial);  // For highlighting in Sandcastle.
    primitive.appearance.material = Cesium.Material.fromType('Checkerboard');
}

function applyColorMaterial(primitive, scene) {
    Sandcastle.declare(applyColorMaterial); // For highlighting in Sandcastle.
    primitive.appearance.material = Cesium.Material.fromType('Color');
}

function applyCompositeMaterial(primitive, scene) {
    Sandcastle.declare(applyCompositeMaterial);    // For highlighting in Sandcastle.
    primitive.appearance.material = new Cesium.Material({
            fabric: {
                uniforms : {
                    image: '../images/earthspec1k.jpg',
                    heightField : '../images/earthbump1k.jpg'
                },
                materials: {
                    bumpMap: {
                        type : 'BumpMap',
                        uniforms : {
                            image : '../images/earthbump1k.jpg'
                        }
                    }
                },
                source :
                    'czm_material czm_getMaterial(czm_materialInput materialInput) {' +
                        'czm_material material = czm_getDefaultMaterial(materialInput);' +
                        'float heightValue = texture2D(heightField, materialInput.st).r;' +
                        'material.diffuse = mix(vec3(0.2, 0.6, 0.2), vec3(1.0, 0.5, 0.2), heightValue);' +
                        'material.alpha = (1.0 - texture2D(image, materialInput.st).r) * 0.7;' +
                        'material.normal = bumpMap.normal;' +
                        'material.specular = step(0.1, heightValue);' + // Specular mountain tops
                        'material.shininess = 8.0;' + // Sharpen highlight
                        'return material;' +
                    '}'
            }
        });
}

function applyDotMaterial(primitive, scene) {
    Sandcastle.declare(applyDotMaterial);   // For highlighting in Sandcastle.
    primitive.appearance.material = Cesium.Material.fromType('Dot');
}

function applyDiffuseMaterial(primitive, scene) {
    Sandcastle.declare(applyDiffuseMaterial);   // For highlighting in Sandcastle.
    primitive.appearance.material = new Cesium.Material({
        fabric : {
            type : 'DiffuseMap',
            uniforms : {
                image : '../images/Cesium_Logo_Color.jpg'
            }
        }
    });
}

function applyEmissionMapMaterial(primitive, scene) {
    Sandcastle.declare(applyEmissionMapMaterial);   // For highlighting in Sandcastle.
    primitive.appearance.material = new Cesium.Material({
        fabric : {
            materials : {
                diffuseMaterial : {
                    type : 'DiffuseMap',
                    uniforms : {
                        image : '../images/Cesium_Logo_Color.jpg'
                    }
                },
                emissionMaterial : {
                    type : 'EmissionMap',
                    uniforms : {
                        image : '../images/checkerboard.png',
                        repeat : {
                            x : 1,
                            y : 0.5
                        }
                    }
                }
            },
            components : {
                diffuse : 'diffuseMaterial.diffuse',
                emission : 'emissionMaterial.emission * 0.2'
            }
        }
    });
}

function applyWaterMaterial(primitive, scene) {
    Sandcastle.declare(applyWaterMaterial); // For highlighting in Sandcastle.

    primitive.appearance.material = new Cesium.Material({
        fabric : {
            type : 'Water',
            uniforms : {
                specularMap: '../images/earthspec1k.jpg',
                normalMap: require.toUrl('Assets/Textures/waterNormals.jpg'),
                frequency: 10000.0,
                animationSpeed: 0.01,
                amplitude: 1.0
            }
        }
    });
}

function applyGridMaterial(primitive, scene) {
    Sandcastle.declare(applyGridMaterial); // For highlighting in Sandcastle.
    primitive.appearance.material = Cesium.Material.fromType('Grid');
}

function applyImageMaterial(primitive, scene) {
    Sandcastle.declare(applyImageMaterial); // For highlighting in Sandcastle.
    primitive.appearance.material = new Cesium.Material({
        fabric : {
            type : 'Image',
            uniforms : {
                image : '../images/Cesium_Logo_Color.jpg'
            }
        }
     });
}

function applyRepeatedImage(primitive, scene) {
    Sandcastle.declare(applyRepeatedImage); // For highlighting in Sandcastle.
    primitive.appearance.material = new Cesium.Material({
        fabric : {
            type : 'Image',
            uniforms : {
                image : '../images/Cesium_Logo_Color.jpg',
                repeat : {
                    x : 10,
                    y : 2
                }
            }
        }
     });
}

function applyNormalMapMaterial(primitive, scene) {
    Sandcastle.declare(applyNormalMapMaterial); // For highlighting in Sandcastle.
    primitive.appearance.material = new Cesium.Material({
        fabric : {
            materials : {
                diffuseMaterial : {
                    type : 'DiffuseMap',
                    uniforms : {
                        image : '../images/bumpmap.png'
                    }
                },
                normalMap : {
                    type : 'NormalMap',
                    uniforms : {
                        image : '../images/normalmap.png',
                        strength : 0.6
                    }
                }
            },
            components : {
                diffuse : 'diffuseMaterial.diffuse',
                specular : 0.01,
                normal : 'normalMap.normal'
            }
        }
    });
}

function applySpecularMapMaterial(primitive, scene) {
    Sandcastle.declare(applySpecularMapMaterial);   // For highlighting in Sandcastle.
    primitive.appearance.material = new Cesium.Material({
        fabric : {
            type : 'SpecularMap',
            uniforms : {
                image : '../images/Cesium_Logo_Color.jpg',
                channel : 'r'
            }
        }
    });
}

function applyStripeMaterial(primitive, scene) {
    Sandcastle.declare(applyStripeMaterial);    // For highlighting in Sandcastle.
    primitive.appearance.material = Cesium.Material.fromType('Stripe');
}

function applyRimLightingMaterial(primitive, scene) {
    Sandcastle.declare(applyRimLightingMaterial);  // For highlighting in Sandcastle.
    primitive.appearance.material = Cesium.Material.fromType('RimLighting');
}

function createButtons(scene) {
    function toggleRectangleVisibility() {
        rectangle.show = true;
        worldRectangle.show = false;
    }

    function toggleWorldRectangleVisibility() {
        worldRectangle.show = true;
        rectangle.show = false;
    }

    Sandcastle.addToolbarMenu([{
        text : 'Common materials'
    }, {
        text : 'Color',
        onselect : function() {
            toggleRectangleVisibility();
            applyColorMaterial(rectangle, scene);
            Sandcastle.highlight(applyColorMaterial);
        }
    }, {
        text : 'Image',
        onselect : function() {
            toggleRectangleVisibility();
            applyImageMaterial(rectangle, scene);
            Sandcastle.highlight(applyImageMaterial);
        }
    }, {
        text : 'Repeated/Rotated Image',
        onselect : function() {
            toggleRectangleVisibility();
            applyRepeatedImage(rectangle, scene);
            Sandcastle.highlight(applyRepeatedImage);
        }
    }]);

    Sandcastle.addToolbarMenu([{
        text : 'Procedural textures'
    }, {
        text : 'Checkerboard',
        onselect : function() {
            toggleRectangleVisibility();
            applyCheckerboardMaterial(rectangle, scene);
            Sandcastle.highlight(applyCheckerboardMaterial);
        }
    }, {
        text : 'Dot',
        onselect : function() {
            toggleRectangleVisibility();
            applyDotMaterial(rectangle, scene);
            Sandcastle.highlight(applyDotMaterial);
        }
    }, {
        text : 'Grid',
        onselect : function() {
            toggleRectangleVisibility(rectangle, worldRectangle);
            applyGridMaterial(rectangle, scene);
            Sandcastle.highlight(applyGridMaterial);
        }
    }, {
        text : 'Stripe',
        onselect : function() {
            toggleRectangleVisibility();
            applyStripeMaterial(rectangle, scene);
            Sandcastle.highlight(applyStripeMaterial);
        }
    }]);

    Sandcastle.addToolbarMenu([{
        text : 'Base materials'
    }, {
        text : 'Alpha Map',
        onselect : function() {
            toggleRectangleVisibility();
            applyAlphaMapMaterial(rectangle, scene);
            Sandcastle.highlight(applyAlphaMapMaterial);
        }
    }, {
        text : 'Bump Map',
        onselect : function() {
            toggleRectangleVisibility();
            applyBumpMapMaterial(rectangle, scene);
            Sandcastle.highlight(applyBumpMapMaterial);
        }
    }, {
        text : 'Diffuse',
        onselect : function() {
            toggleRectangleVisibility();
            applyDiffuseMaterial(rectangle, scene);
            Sandcastle.highlight(applyDiffuseMaterial);
        }
    }, {
        text : 'Emission Map',
        onselect : function() {
            toggleRectangleVisibility();
            applyEmissionMapMaterial(rectangle, scene);
            Sandcastle.highlight(applyEmissionMapMaterial);
        }
    }, {
        text : 'Normal Map',
        onselect : function() {
            toggleRectangleVisibility();
            applyNormalMapMaterial(rectangle, scene);
            Sandcastle.highlight(applyNormalMapMaterial);
        }
    }, {
        text : 'Specular Map',
        onselect : function() {
            toggleRectangleVisibility();
            applySpecularMapMaterial(rectangle, scene);
            Sandcastle.highlight(applySpecularMapMaterial);
        }
    }]);

    Sandcastle.addToolbarMenu([{
        text : 'Misc materials'
    }, {
        text : 'Rim Lighting',
        onselect : function() {
            toggleWorldRectangleVisibility();
            applyRimLightingMaterial(worldRectangle, scene);
            Sandcastle.highlight(applyRimLightingMaterial);
        }
    }, {
        text : 'Water',
        onselect : function() {
            toggleWorldRectangleVisibility();
            applyWaterMaterial(worldRectangle, scene);
            Sandcastle.highlight(applyWaterMaterial);
        }
    }]);

    Sandcastle.addToolbarMenu([{
        text : 'Example composite materials'
    }, {
        text : 'Composite Example',
        onselect : function() {
            toggleWorldRectangleVisibility();
            applyCompositeMaterial(worldRectangle, scene);
            Sandcastle.highlight(applyCompositeMaterial);
        }
    }]);

    document.getElementById('toolbar').style.width = '10%';
}

function createPrimitives(scene) {
    rectangle = scene.primitives.add(new Cesium.GroundPrimitive({
        geometryInstances : new Cesium.GeometryInstance({
            geometry : new Cesium.RectangleGeometry({
                rectangle : Cesium.Rectangle.fromCartesianArray(
                    [new Cesium.Cartesian3(-2358138.847340281, -3744072.459541374, 4581158.5714175375),
                    new Cesium.Cartesian3(-2357231.4925370603, -3745103.7886602185, 4580702.9757762635),
                    new Cesium.Cartesian3(-2355912.902205431, -3744249.029778454, 4582402.154378103),
                    new Cesium.Cartesian3(-2357208.0209552636, -3743553.4420488174, 4581961.863286629)]
                ),
                vertexFormat : Cesium.EllipsoidSurfaceAppearance.VERTEX_FORMAT
            })
        }),
        appearance : new Cesium.EllipsoidSurfaceAppearance({
            aboveGround : false
        }),
        classificationType : Cesium.ClassificationType.TERRAIN
    }));

    worldRectangle = scene.primitives.add(new Cesium.GroundPrimitive({
        geometryInstances : new Cesium.GeometryInstance({
            geometry : new Cesium.RectangleGeometry({
                rectangle : Cesium.Rectangle.fromDegrees(-179.99, -89.99, 179.99, 89.99),
                vertexFormat : Cesium.EllipsoidSurfaceAppearance.VERTEX_FORMAT
            })
        }),
        appearance : new Cesium.EllipsoidSurfaceAppearance({
            aboveGround : false
        }),
        show : false,
        classificationType : Cesium.ClassificationType.TERRAIN
    }));

    var initialPosition = Cesium.Cartesian3.fromRadians(-2.1344873183780484, 0.8071380277370774, 5743.394497982162);
    var initialOrientation = new Cesium.HeadingPitchRoll.fromDegrees(112.99596671210358, -21.34390550872461, 0.0716951918898415);
    viewer.scene.camera.setView({
        destination: initialPosition,
        orientation: initialOrientation,
        endTransform: Cesium.Matrix4.IDENTITY
    });
}

var scene = viewer.scene;
scene.globe.enableLighting = true;

createPrimitives(scene);
createButtons(scene);
//Sandcastle_End
    Sandcastle.finishedLoading();
}
if (typeof Cesium !== "undefined") {
    startup(Cesium);
} else if (typeof require === "function") {
    require(["Cesium"], startup);
}
</script>
</body>
</html>
